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Aims: Hydro­ethanolic extracts of Balanites aegyptiaca, Securidaca longepedunculata and Acacia gourmaensis from Burkina Faso were investigated for their phytochemical composition and their antioxidant activities. Methods: High­performance thin­layer chromatography (HPTLC) method was used for phytochemical screening. The total phenolic, total flavonoid and anthocyanin contents of extracts Original Research Article Nitiema, et al.; CJAST, 39(1): 79-87, 2020; Article no.CJAST.54710 80 were assessed. The antioxidant potentials of the extracts were also evaluated using 2,2­diphenyl­ l­picrylhydrazyl (DPPH) and ferric reducing antioxidant power (FRAP). Results: Phenolic compounds, flavonoids and anthocyanins were present in all these plant extracts. Tannins were only found in Acacia gourmaensis extract. Acacia gourmaensis extract exhibited the highest total phenolics (807.58 ± 28.63 mg GAE/g), total flavonoids (271.39 ± 58.46 mg QE/100 g), total anthocyanins (83.16 ± 0.14 μg/g) contents and had the highest antioxidant activity by DPPH ( 330.84 ± 16.23 μg AAE/g) and FRAP methods (3211.11 ± 52.24 μg AAE/g ). Balanites aegyptiaca and Securidaca longepedunculata showed the lowest phenolic compounds (80.72 ± 2.11 mg GAE/g and 76.69±1.84 mg GAE/g respectively); total flavonoids (88.7 ± 1.65 mg QE/100 g and 104.54 ± 9.65 mg QE/100 g respectively), anthocyanins (24.49±1.43 μg/g and 24.57±0.52 μg/g respectively) contents and had the lowest antioxidant activity for DPPH method ( 46.83 ± 3.01 and 56.20 ± 3.79 μg AAE/g respectively) and FRAP method ( 102.06 ± 5.09 and 57.78 ± 0.99 μg AAE/g respectively). Conclusion: Balanites aegyptiaca, Securidaca longepedunculata and Acacia gourmaensis represent natural sources of phenolic antioxidant compounds that can be used as a bio­fungicide.

current journal of applied science and technology

Phytochemical Composition and Antioxidant Activity of Balanites aegyptiaca, Securidaca longepedunculata and Acacia gourmaensis Used against Seed-borne Fungi in Burkina Faso